Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
42.52, invertib
Mathematics
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Find the focus and directrix of the parabola.x2 = 4y
A. (1, 0); y = 1 B. (1, 0); x = 1 C. (0, -1); x = - 1 D. (0, 1); y = -1
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A mail carrier must deliver mail to houses in a subdivision shown in the following map. Lines represent streets and letters represent houses. List the houses in the order the mail carrier will deliver mail as she travels each street exactly once and mark the map to show the route. Can she start and stop at the same house? Explain.
Mathematics
Graph the inequality.y > -2x - 4
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function is even, odd, or neither.y = |x - 4|
A. Neither B. Odd C. Even
Mathematics